10
AC-SVX003A-EN
Compressor Information
CHHS MODEL NUMBER (GP4) CHHW MODEL NUMBER (GP2, GP2.5) SERIAL NUMBER
Digit 1, 2, 3, 4 — Compressor Type
CHHS = Positive displacement, helical rotary (twin
screw) hermetic compressor
Digit 5 — Frame Size
R = R Frame: 70 - 100 tons
S = S Frame: 112 - 165 tons
Digit 6 — Motor Length
B = 145 mm
C = 170 mm
E = 165 mm
F = 190 mm
Digit 7— Motor Winding Characteristics
* = Factory assigned
Digit 8 — Volume Ratio
E = Variable Volume Ratio
Digit 9— Economizer
1 = No Economizer Port
Digits 10, 11 — Design Sequence
** = Factory assigned
Digit 1, 2, 3, 4 — Compressor Family
CHHW = Positive displacement, helical rotary.
hermetic compressor
Digit 5 — Economizer Port Detail
0 = No Economizer Port
Digit 6 — Frame Size
N = N Frame
Digit 7— Compressor Capacity
6 = GP2.5 Larger capacity (major)
Digit 8 — Motor Voltage
D = 380/60/3
H = 575/60/3
K = 460 /60/3 (N6 only)
J = 460 /50/3 (N6 only)
Digit 9— Internal Relief
K = 450 psid
Digits 10, 11 — Design Sequence
** = Factory assigned
Digit 12 — Capacity Limit
N = Standard capacity
Digits 13, 14, 15 — Motor kW Rating
112 = N6 50 Hz
134 = N6 60 Hz
Digit 16 — Capacity Limit
A = High Volume Ratio
Digit 1, 2 — Year
YY = Last two digits of year of manufacture
Digit 3, 4 — Week
WW = Week of build, from 00 to 52
Digit 5 — Day
1 = Monday
2 = Tuesday
3 = Wednesday
4 = Thursday
5 = Friday
6 = Saturday
7 = Sunday
Digit 6, 7, 8 — Coded Time Stamp
TTT = Used to ensure uniqueness of serial number
Digit 9 — Assembly Line
Assembly line compressor was built on. Varies with
facility.
Digit 10 — Build Location
A = Monterrey
Model Number Descriptions
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